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How to generate a random alpha-numeric string?
...er that would "likely" be unique over 500K+ generation (my needs don't really require anything much more sophisticated).
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What does Class mean in Java?
...nt which type is Class<?>, So Class<?> is more convenient for all situation.
– petertc
Oct 5 '18 at 7:08
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Error type 3 Error: Activity class {} does not exist
...the Build directory
Restarted Android Studio
Rebuild the Project
Run
Optionally (Go to the files menu on android, click on "Invalidate Caches / Restart..." uninstall the app on your phone and try again)
And everything worked fine!
I think the key is to restart your IDE.
Hope this helps you or a...
What does “javascript:void(0)” mean?
...rator is often used merely
to obtain the undefined primitive
value, usually using “void(0)” (which
is equivalent to “void 0”). In these
cases, the global variable undefined
can be used instead (assuming it has
not been assigned to a non-default
value).
An explanation is provi...
Best way to clear a PHP array's values
Which is more efficient for clearing all values in an array? The first one would require me to use that function each time in the loop of the second example.
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Escape double quotes in parameter
... batch file myscript.bat containing just @echo.%1 or even @echo.%~1, I get all quotes: '"test"'
Perhaps you can try the escape character ^ like this: myscript '^"test^"'?
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Parallel.ForEach vs Task.Factory.StartNew
...
The first is a much better option.
Parallel.ForEach, internally, uses a Partitioner<T> to distribute your collection into work items. It will not do one task per item, but rather batch this to lower the overhead involved.
The second option will schedule a...
Recursively look for files with a specific extension
I'm trying to find all files with a specific extension in a directory and its subdirectories with my bash (Latest Ubuntu LTS Release).
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Can you build dynamic libraries for iOS and load them at runtime?
...OS and will result in your app getting rejected. Only static libraries are allowed.
However, in iOS8 you can use dynamic libraries and frameworks. It should "just work"
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Named Branches vs Multiple Repositories
...ository. Your working copy will always reflect a single changeset, the so-called working copy parent changeset. Check this with:
% hg parents
Let's say that it reports [y]. You can see the heads with
% hg heads
and this will report [y] and [d]. If you want to update your repository to a clean ...